CN217022909U - Display control device suitable for various cockpit - Google Patents

Display control device suitable for various cockpit Download PDF

Info

Publication number
CN217022909U
CN217022909U CN202220419876.XU CN202220419876U CN217022909U CN 217022909 U CN217022909 U CN 217022909U CN 202220419876 U CN202220419876 U CN 202220419876U CN 217022909 U CN217022909 U CN 217022909U
Authority
CN
China
Prior art keywords
display screen
sliding
main
box body
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220419876.XU
Other languages
Chinese (zh)
Inventor
孙亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Hanke Computer Information Technology Co ltd
Original Assignee
Sichuan Hanke Computer Information Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Hanke Computer Information Technology Co ltd filed Critical Sichuan Hanke Computer Information Technology Co ltd
Priority to CN202220419876.XU priority Critical patent/CN217022909U/en
Application granted granted Critical
Publication of CN217022909U publication Critical patent/CN217022909U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model relates to a display and control device suitable for various cabs, which comprises a main machine box body, a console, a main display screen and three auxiliary display screens, wherein the main machine box body, the console and the main display screen are independently arranged; a host computer is arranged in the host box body, and the control platform is electrically connected with the host computer; the three auxiliary display screens are detachably arranged above the main machine box body through an adjusting bracket; the upper end of the back of the main display screen is hinged with the upper part of the front plate of the box body of the main machine box body; the auxiliary display screen and the main display screen are respectively electrically connected with the host computer. The utility model has the beneficial effects that: can be convenient for assemble and disassemble, can be convenient for transport, and is suitable for the cockpit of various different types or models.

Description

Display control device suitable for various cockpit
Technical Field
The utility model relates to a cockpit technical field, especially a show accuse device suitable for multiple cockpit.
Background
Aircraft cockpit, aircraft simulation cockpit, and boat cockpit etc. generally include parts such as seat part, instrument desk, multi-screen display, host computer. However, in the prior art, a host, a display screen, an instrument desk and the like in the cockpit are arranged in an integrated manner, and are complex in structure and inconvenient to disassemble; however, different cockpit models and cockpit models have different internal space shapes and sizes, so that display and control devices such as display screens and instrument panels in the cockpit in the prior art cannot be used universally.
Therefore, the display and control device suitable for various cabs is designed, can be assembled and disassembled conveniently, can be transported conveniently, and is suitable for cabs of various different types or models.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the display and control device which is convenient to assemble, disassemble and transport, is suitable for different types or models of cabs and is suitable for the cabs.
The purpose of the utility model is realized by the following technical scheme: a display control device suitable for various cabs comprises a main machine box body, a console, a main display screen and three auxiliary display screens which are independently arranged;
a host computer is arranged in the host box body, and the control platform is electrically connected with the host computer;
the three auxiliary display screens are detachably arranged above the main machine box body through an adjusting bracket;
the upper end of the back of the main display screen is hinged with the upper part of the front plate of the box body of the main machine box body;
the auxiliary display screen and the main display screen are respectively electrically connected with the host computer.
Furthermore, the upper part of the front box plate of the main box body is provided with a hinge seat vertically hinged with the main display screen, and two sides of the lower part of the front box plate of the main box body are respectively and transversely hinged with a support plate;
the supporting plate is provided with a stopping groove.
Furthermore, the adjusting bracket comprises a cross arm, two adjusting arms and a supporting column arranged at the top of the box body of the main machine box body;
the cross arm is arranged on the support column, and the two adjusting arms are respectively hinged at the left end and the right end of the cross arm;
the cross arm and the adjusting arm are respectively provided with a sliding rail, and the auxiliary display screen is arranged on the sliding rail and can move left and right through the sliding locking mechanism.
Furthermore, the front end of the sliding locking mechanism is provided with a display screen joint, and the front end of the display screen joint is rotatably connected with the display screen fixing plate.
Furthermore, the sliding locking mechanism also comprises a sliding block, the top of the sliding groove of the sliding rail is upwards sunken to form an upper clamping groove, the sliding block is downwards sunken to form a lower clamping groove, and the rear end of the sliding block is provided with an upper positioning buckle and a lower positioning buckle corresponding to the upper clamping groove and the lower clamping groove;
the bottom of the sliding block is also provided with a locking plate, the locking plate is provided with a threaded hole, and a locking screw is screwed in the threaded hole;
when the installation is completed, the locking screw penetrates out of the locking plate upwards and then abuts against the bottom of the cross arm or the bottom of the adjusting arm.
Furthermore, the sliding locking mechanism also comprises an insertion block arranged at the front end of the sliding block;
the front end of the insertion block is provided with an insertion hole, and the rear end of the display screen joint is provided with an insertion plate matched with the insertion hole.
Furthermore, a vertical fine adjustment slide rail is arranged at the front end of the slide block, and a fine adjustment slide block matched with the fine adjustment slide rail is arranged at the rear end of the insertion block;
the top of the sliding block is rotatably provided with a fine adjustment screw, and the fine adjustment screw is in threaded fit with a threaded hole in the insertion block after penetrating out of the top of the sliding block.
Furthermore, the middle rear part of the cross arm is provided with a mounting block, and the mounting block is provided with a trepanning;
the cross arm is sleeved on the support column through the sleeve hole, and the support column is also provided with a hoop for keeping the lifting position of the mounting block;
the hoop piece comprises an annular hoop body and binding blocks arranged at two ends of the annular hoop body;
the locking screw rod penetrates out of the through hole in the left binding block leftwards, and the locking handle is mounted on the locking screw rod in a threaded mode.
Furthermore, the bottom of the support column is provided with a mounting plate, and the mounting plate is fixedly mounted with the top of the main case body through screws.
The utility model has the following advantages: (1) the product can be conveniently disassembled and assembled by independently arranging the main case body, the control platform and the like, and the auxiliary display screen, the support column, the main case body, the control platform and the like can be independently boxed during storage and transportation, so that the storage and transportation are facilitated;
(2) the cross arm is hinged with the two adjusting arms, so that the included angle between the two adjusting arms and the cross arm is adjustable, the auxiliary display screen can be installed on the cross arm or a sliding rail of the adjusting arm in a left-right sliding mode through the sliding locking mechanism, the included angle between the three auxiliary display screens is adjustable, when the width of the space in the cockpit is large, the folded angle between the adjusting arm and the cross arm can be properly increased, in the increasing process, the auxiliary display screen is moved through the sliding rail to guarantee butt joint between the auxiliary display screens, meanwhile, the cross arm is fixed on the supporting column in a vertically adjustable mode through the hoop piece, the installation height of the auxiliary display screen is adjustable, and the scheme can be further flexibly suitable for cabs of different models, types and sizes;
(3) through the fine adjustment mechanism formed by the fine adjustment slide rail, the fine adjustment slide block and the fine adjustment screw, the mounting height of each auxiliary display screen can be slowly fine adjusted, and therefore the accuracy of a display picture is further improved when the sub-display screen is displayed.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of an adjustment bracket of the present invention;
FIG. 4 is a front view of the adjustment bracket of the present invention;
FIG. 5 is a schematic view of an adjustment bracket of the present invention with a display screen joint plugged thereon;
FIG. 6 is an enlarged view of the slide and lock mechanism of the present invention;
FIG. 7 is a schematic view of a slide rail according to the present invention;
FIG. 8 is a schematic view of the fine adjustment mechanism of the present invention;
FIG. 9 is a schematic view of a hoop member according to the present invention;
in the figure: 1-a main machine box body, 2-a console, 3-a secondary display screen, 4-a main display screen, 5-a support column, 6-a cross arm, 7-an adjusting arm, 8-a slide rail, 9-a sliding locking mechanism, 10-a display screen joint, 11-a display screen fixing plate, 12-a slide block, 13-a mounting block, 15-an insertion block, 16-a fine adjustment screw, 17-an anchor ear piece, 102-a hinge seat, 103-a support plate, 801-an upper clamping groove, 802-a lower clamping groove, 802-an insertion plate, 1031-a stopping groove, 1201-an upper positioning buckle, 1202-a lower positioning buckle, 1203-a locking plate, 1204-a locking screw, 1205-a fine adjustment slide rail, 1501-an inserting hole, 1502-a buckle plate and 1701-a ring hoop body, 1702-locking screw, 1703-locking handle.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of protection of the utility model is not limited to the following.
As shown in fig. 1 to 9, a display control device suitable for multiple cockpit includes a main case 1, a console 2, a main display screen 4, and three auxiliary display screens 3, wherein the main case 1 is internally provided with a main computer, the right side of the main case 1 is provided with a plurality of connection interfaces, and the main display screen 4, the auxiliary display screens 3, the console 2 are all electrically connected with the main computer through wires. The main machine box body 1 and the control platform 2 can be placed on the table body for configuration and use. The mode of independent settings such as host computer box 1, control platform 2 for this scheme can be convenient for assemble and transport, and more has the flexibility, can install in the cockpit of different grade type, avoids showing in current cockpit that accuse device integration sets up inconvenient dismouting, and cost of maintenance is high, limitation such as change accessory expense height.
In the scheme, three auxiliary display screens 3 are arranged above a main case body 1 through adjusting brackets, a main display screen 4 is positioned below the auxiliary display screens 3, the upper end of the back of the main display screen 4 is hinged at a hinge seat 102 at the upper part of a front plate of the case body 1, two sides of the lower part of the front plate of the case body 1 are respectively and transversely hinged with a support plate 103, a plurality of retaining grooves 1031 are arranged on the support plates 103, and when the multifunctional main display screen is used, the bottom of the main display screen 4 is retained in the retaining grooves 1031; and when accomodating, two backup pads 103 inwards draw in, and the main display screen 4 is rotatory folding in main case 1 box front bezel department downwards, then alright preserve or transport with 4 whole vanning of main case and main display screen.
In the scheme, the adjusting bracket comprises a cross arm 6, a supporting column 5 and two adjusting arms 7; two regulating arms 7 are respectively hinged to the left end and the right end of the cross arm 6, three auxiliary display screens 3 are respectively installed on the cross arm 6 and the two regulating arms 7, an installation plate 501 is arranged at the bottom of the support column 5, and the installation plate 501 is fixedly installed with the top of the host case 1 through screws.
Under the general condition, the cockpit of different equipment to and the cockpit of different models, its inner space shape and size all are different, consequently, for the head shape and the size that adapt to different cockpit, in this scheme, set up the mounting height of vice display screen 3 as adjustable to and the dog-ear angle between three vice display screen 3 sets up as adjustable.
The angle between the auxiliary display screens 3 can be adjusted, in the scheme, the two adjusting arms 7 can be horizontally rotated by a certain angle and hinged at two ends of the transverse wall 6, and the auxiliary display screens 3 can be arranged on the transverse arm 6 or the sliding rail 8 of the adjusting arms 7 in a left-right sliding mode. So that the angle between the three auxiliary display screens 3 can be adjusted.
When the angle between the three auxiliary display screens 3 needs to be increased, the adjusting arms 7 on the left side and the right side only need to be rotated outwards, and then the two auxiliary display screens 3 on the two sides are pushed inwards to enable the adjacent edges of the three auxiliary display screens 3 to be in butt joint; when the dog-ear angle between three vice display screen 3 needs to be reduced, earlier with the vice display screen 3 in both sides along corresponding slide rail 8 outwards shift out a section distance, then adjust suitable dog-ear angle between three vice display screen 3, then move two vice display screen 3 in the outside to the middle part for the adjacent limit of three vice display screen 3 docks once more can.
The mounting height of the auxiliary display screen 3 can be adjusted, in the scheme, a mounting block 13 at the back of the cross arm 6 is provided with a sleeve hole, the cross arm 6 is sleeved on the support column 5 through the sleeve hole, and the support column 5 is also provided with a hoop part 17 for keeping the lifting position of the mounting block 13; the hoop member 17 includes an annular hoop body 1701, and tie blocks provided at both ends of the annular hoop body 1701; be located and be equipped with locking screw 1702 on the constraint piece on right side, after locking screw 1702 worn out the through-hole on the constraint piece on left side, the spiral shell is equipped with locking handle 1703, can realize the unscrewing and the locking of hoop 17 through locking handle 1703's rotation to be convenient for adjust the mounting height of hoop 17, hoop 17 is located mounting block 13 below with spacing mounting block 13, and then makes the height-adjustable of vice display screen 3.
In this scheme, 3 backs of three vice display screens are installed on display screen fixed plate 11, and the rotatable installation in display screen joint 10 front ends in display screen fixed plate 11 rear end, and the display screen connects 10 rear ends to be installed on slip locking mechanism 9, but slip locking mechanism 9 horizontal slip clamp on slide rail 8. Therefore, the three sub-display screens 3 are rotatably mounted on the adjusting bracket through the display screen fixing plate 11. When a picture with a large vertical display proportion and a short transverse proportion needs to be displayed according to operation requirements, the overall display proportion of the auxiliary display screens 3 can be changed by rotating the three auxiliary display screens 3 by 90 degrees; similarly, when adjusting vice display screen 3, earlier with the vice display screen 3 in both sides along corresponding slide rail 8 outwards shift out a section distance, then rotate three vice display screen 3 rotatory 90 degrees, remove the vice display screen 3 in the outside after two rotations to the middle part again for adjacent limit of three vice display screen 3 docks once more can.
In the scheme, as shown in fig. 6, 7 and 8, the sliding locking mechanism 9 comprises a sliding block 12 and an insertion block 15, wherein a positive L-shaped upper positioning buckle 1201, an inverted L-shaped lower positioning buckle 1202 and a locking plate 1203 are arranged at the rear end of the sliding block 12; an upper clamping groove 801 is formed in the top of the sliding groove of the sliding rail 8, and a lower clamping groove 802 is formed in the bottom of the sliding groove; the upper positioning buckle 1201 and the lower positioning buckle 1202 are respectively clamped in the upper clamping groove 801 and the lower clamping groove 802, the locking plate 1203 is positioned below the corresponding cross arm 6 or the corresponding adjusting arm 7, the locking screw 1204 screwed in the threaded hole of the locking plate 1203 upwards props against the lower surface of the corresponding cross arm 6 or the corresponding adjusting arm 7, after the auxiliary display screen 3 is installed and positioned, the locking screw 1204 is only required to be screwed down to tightly prop against the lower surface of the cross arm 6 or the adjusting arm 7, the installation position of the auxiliary display screen 3 can be locked, and the auxiliary display screen 3 is prevented from sliding; conversely, when the auxiliary display screen 3 needs to be slid, the locking screw 1204 is rotated so that a certain gap exists between the locking screw 1204 and the lower surface of the cross arm 6 or the adjusting arm 7, and the auxiliary display screen 3 can be unlocked and slid.
In the scheme, the rear end of the insertion block 15 is connected to the front end of the sliding block 12 in a vertically fine-adjustable mode, the insertion hole 1501 is formed in the front end of the insertion block 15, the insertion plate 1001 matched with the insertion hole is arranged at the rear end of the display screen joint 10, namely the auxiliary display screen 3 is inserted into the insertion hole 1501 through the insertion plate 1001, and therefore the auxiliary display screen 3 can be installed and detached quickly.
In order to enable the pictures of the three auxiliary display screens 3 to correspond more accurately when the split-screen display is performed, a fine adjustment mechanism is further arranged to finely adjust the installation height of the auxiliary display screens 3, namely, a fine adjustment slide rail 1205 is further arranged at the front end of the slide block 12, a fine adjustment slide block is arranged at the rear end of the insertion block 15, the fine adjustment slide block is installed at the fine adjustment slide rail 1205, fine adjustment is achieved through a fine adjustment screw 16, and then the installation height of the auxiliary display screens 3 is finely adjusted. Specifically, as shown in fig. 3 to 8, the fine adjustment slide rail 1205 includes an arc groove 1206 vertically disposed in the middle of the front end of the slider 12, and an external buckling edge 1207 vertically disposed on two sides of the front end of the slider 12, the fine adjustment slider includes a buckle 1502 capable of buckling the external buckling edge 1207, and a convex block formed by the outward protrusion in the middle of the buckle 1502, and the convex block is matched with the arc groove 1206, so as to move up and down along the arc groove 1206. The top of fine setting slide rail 1205 is equipped with fine setting screw 16 in that the arc recess 1206 top is rotatable, promptly, but fine setting screw 16 horizontal rotation clamps at the top of fine setting slide rail 1205, and cartridge piece 15 is equipped with the screw hole with fine setting screw 16 screw-thread fit to fine setting screw 16 lower part and the 15 spiral shell suits of cartridge piece, and then rotatory fine setting screw 16 can realize the fine setting from top to bottom of cartridge piece 15, and then realize the fine setting of vice display screen 3.
In this scheme, control platform 2 by flight rocker, flight throttle and keyboard etc. and constitute, be connected by USB and host computer, wherein, flight rocker pole head can be as required the equipment model of flight simulation and replace.
It should be noted that the drawings of the present disclosure are only schematic structural diagrams, and all structural changes that do not depart from the idea of the present disclosure are within the scope of the present disclosure.

Claims (9)

1. The utility model provides a show accuse device suitable for multiple cockpit which characterized in that:
the device comprises a host box body (1), a console (2), a main display screen (4) and three auxiliary display screens (3) which are independently arranged;
a host computer is arranged in the host box body (1), and the console (2) is electrically connected with the host computer;
the three auxiliary display screens (3) are detachably arranged above the main machine box body (1) through an adjusting bracket;
the upper end of the back of the main display screen (4) is hinged with the upper part of the front plate of the main case body (1);
the auxiliary display screen (3) and the main display screen (4) are respectively electrically connected with the host computer.
2. The display control device suitable for various cabs according to claim 1, wherein: the upper part of the front box plate of the main box body (1) is provided with a hinge seat (102) vertically hinged with the main display screen (4), and two sides of the lower part of the front box plate of the main box body are respectively and transversely hinged with a support plate (103);
and a stop groove (1031) is arranged on the supporting plate (103).
3. The display control device applicable to various cabs according to claim 1 or 2, wherein: the adjusting bracket comprises a cross arm (6), two adjusting arms (7) and a supporting column (5) arranged at the top of the main machine box body (1);
the cross arm (6) is arranged on the support column (5), and the two adjusting arms (7) are respectively hinged at the left end and the right end of the cross arm (6);
the cross arm (6) and the adjusting arm (7) are both provided with a sliding rail (8), and the auxiliary display screen (3) is arranged on the sliding rail (8) in a manner of moving left and right through a sliding locking mechanism (9).
4. The display and control device applicable to various cabs according to claim 3, wherein: the front end of the sliding locking mechanism (9) is provided with a display screen joint (10), and the front end of the display screen joint (10) is rotatably connected with a display screen fixing plate (11).
5. The display and control device applicable to various cabs according to claim 4, wherein: the sliding locking mechanism (9) further comprises a sliding block (12), the top of a sliding groove of the sliding rail (8) is upwards sunken to form an upper clamping groove (801), the top of the sliding groove is downwards sunken to form a lower clamping groove (802), and the rear end of the sliding block (12) is provided with an upper positioning buckle (1201) and a lower positioning buckle (1202) corresponding to the upper clamping groove (801) and the lower clamping groove (802);
the bottom of the sliding block (12) is also provided with a locking plate (1203), the locking plate (1203) is provided with a threaded hole, and a locking screw (1204) is screwed in the threaded hole;
when the installation is finished, the locking screw (1204) penetrates out of the locking plate (1203) upwards and then is tightly abutted against the bottom of the cross arm (6) or the adjusting arm (7).
6. The display and control device applicable to various cabs as claimed in claim 5, wherein: the sliding locking mechanism (9) also comprises an insertion block (15) arranged at the front end of the sliding block (12);
the front end of the insertion block (15) is provided with an insertion hole (1501), and the rear end of the display screen joint (10) is provided with an insertion plate (1001) matched with the insertion hole.
7. The display and control device applicable to various cabs as claimed in claim 6, wherein: a vertical fine adjustment sliding rail (1205) is arranged at the front end of the sliding block (12), and a fine adjustment sliding block matched with the fine adjustment sliding rail (1205) is arranged at the rear end of the insertion block (15);
the top of the sliding block (12) is rotatably provided with a fine adjustment screw (16), and the fine adjustment screw (16) penetrates out of the top of the sliding block (12) and then is in threaded fit with a threaded hole in the insertion block (15).
8. The display control device suitable for various cabs according to claim 7, wherein: the middle rear part of the cross arm (6) is provided with a mounting block (13), and the mounting block (13) is provided with a trepanning;
the cross arm (6) is sleeved on the supporting column (5) through a sleeve hole, and the supporting column (5) is also provided with a hoop piece (17) for keeping the lifting position of the mounting block (13);
the hoop member (17) comprises an annular hoop body (1701) and binding blocks arranged at two ends of the annular hoop body (1701);
wherein, be equipped with locking screw (1702) on the constraint piece that is located the right side, behind locking screw (1702) the through-hole on the constraint piece of left side worn out left, the spiral shell is equipped with locking handle (1703).
9. The display control device suitable for various cabs according to claim 8, wherein: support column (5) bottom be equipped with mounting panel (501), mounting panel (501) pass through screw fixed mounting with host computer box (1) top.
CN202220419876.XU 2022-02-28 2022-02-28 Display control device suitable for various cockpit Active CN217022909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220419876.XU CN217022909U (en) 2022-02-28 2022-02-28 Display control device suitable for various cockpit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220419876.XU CN217022909U (en) 2022-02-28 2022-02-28 Display control device suitable for various cockpit

Publications (1)

Publication Number Publication Date
CN217022909U true CN217022909U (en) 2022-07-22

Family

ID=82452271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220419876.XU Active CN217022909U (en) 2022-02-28 2022-02-28 Display control device suitable for various cockpit

Country Status (1)

Country Link
CN (1) CN217022909U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117948512A (en) * 2024-03-19 2024-04-30 弘远集团(深圳)有限公司 Anti-dazzle multi-view liquid crystal display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117948512A (en) * 2024-03-19 2024-04-30 弘远集团(深圳)有限公司 Anti-dazzle multi-view liquid crystal display
CN117948512B (en) * 2024-03-19 2024-06-07 弘远集团(深圳)有限公司 Anti-dazzle multi-view liquid crystal display

Similar Documents

Publication Publication Date Title
DE69919173T2 (en) VERTICAL ANDOCK STATION FOR PORTABLE CALCULATOR
CN217022909U (en) Display control device suitable for various cockpit
US20080204983A1 (en) Adjustable laptop monitor apparatus
CN202371397U (en) Base device and electronic equipment with same
CN110738876B (en) Computer teaching instrument convenient to move
CN213930234U (en) A mapping device for indoor decoration
CN210142476U (en) Electronic sand table
CN213452612U (en) High stability projecting apparatus support is used in business administration teaching
CN213518714U (en) A literary works display device for teaching
CN209446949U (en) A kind of video media releasing device
CN212537346U (en) Display screen support for video conference
CN210440941U (en) Multimedia projector auxiliary mounting bracket convenient to teaching use
CN207080785U (en) A kind of digital product holding frame
CN221222097U (en) All-in-one convenient to go up and down
CN207848800U (en) Liftable type self-service mirror image photo exhibition booth
CN111580613A (en) Adjustable multi-display-screen sliding support for computer
CN216984033U (en) Height and angle adjustable double-screen platform
CN208000426U (en) Aligning machine
CN202756860U (en) Notebook computer support
CN214240263U (en) Small-size multi-functional portable drawing case
CN206100223U (en) High definition monitor is folded to rack -type drawer
CN211738442U (en) Hand formula computer projecting apparatus strutting arrangement of aeronautical engineering specialty english teaching
CN215636280U (en) Movable mounting rack
CN213405588U (en) Mobile phone display stand
CN219609527U (en) Multifunctional remote conference device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant